4” Bass Drum O’s.
When it comes to venting and porting, Drum Os gives you plenty of options. It's easy to get creative with Drum Os because there are endless design possibilities.
Drum O’s now come in 2, 4 & 6-inch diameters, each size is available in 8 great colours, including Black, White, Chrome & Brass, in addition, there are 4 new Chrome colours Red, Blue, Green & Purple.
The sky is the limit! The new 2” Tom Port O’s allow for minimal material removal with more variety in tuneable ventilation as well as convenient external microphone access.
Select your colour from the drop down menu to the right.